<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="./style.css">
    <style>
        p{
            color: pink;
        }
        p.hello{
            font-size: 12px;
        }
    </style>
</head>
<body>
    <h1 id="first">我的第一个页面</h1>
    <div>
        <p>泥嚎</p>
    <p class="hello">你好呀</p>
</div>

    <script src="./dom.js"></script>
</body>
</html>